SIMIZA, Greece (AP) — In the olive groves around Ancient Olympia, sanctuary of the Greek gods, the trees were once considered sacred, and in many ways they still are.

A power converter’s efficiency (AC-DC, DC-DC, or Buck) is determined by comparing its input power to its output power. More precisely, the efficiency of the converter is calculated by dividing the ...

Frog Design’s Energy ThinkIn Searches for Energy Efficiency’s “Livestrong” Symbol Energy efficiency is becoming increasingly mainstream idea, but it has an image problem.